Hieracium triste

(Woolly Hawkweed)

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Hieracium triste, Hoosier Ridge, Summit Co. 9363

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Hieracium triste, Mayflower Gulch, Summit Co. 7500

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Hieracium triste, Mayflower Gulch, Summit Co. 7508

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Hieracium triste, Mayflower Gulch, Summit Co. 7546

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Hieracium triste, Hoosier Ridge, Summit Co. 9369

Scientific Name Hieracium triste USDA PLANTS Symbol HITR2
Common Name Woolly Hawkweed ITIS Taxonomic Serial No. 37732
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (9500 to 13000 ft.); moist habitats in open areas, meadows, streamsides, rocky slopes.
Plant: Erect perennial 4 to 12 inches tall, hairy stems.
Leaves: Several petiolate basal leaves, oblanceolate to obovate, 3/4 to 3-1/8 inches long; few or no stem leaves, lanceolate shorter; 3/4 to 1-1/2 inches long, usually smooth surfaces.
Inflorescence: Racemes of 2 to 8 small flowers, each with 20 to 60+ yellow rays; phyllaries with black and white hairs.
Bloom Period: June to September.
References: "Flora of Colorado" by Jennifer Ackerfield, "The Alpine Flora of the Rocky Mountains" by Richard W. Scott and Flora of North America.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County